A pair of flies reproduces and has 2,000 offspring. All 2,000 of the offspring have the alleles Rr. What is the most likely combination of alleles that each parent has, and why are other combinations not likely?

bh

Explanation:

h

i dont know this but ask your teacher for !

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.